Massack is an unincorporated community in Plumas County, California.
[1] Massack is located on the Western Pacific Railroad, 3.5 miles (5.6 km) northwest of Spring Garden.
[2] California State Route 89 runs through Massack.
The Massack post office operated from 1917 to 1939, moving in 1937.
This Plumas County, California-related article is a stub.